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#define INCL_WINTRACKRECT
 
typedef struct _TRACKINFO {    /* ti */
    SHORT  cxBorder;
    SHORT  cyBorder;
    SHORT  cxGrid;
    SHORT  cyGrid;
    SHORT  cxKeyboard;
    SHORT  cyKeyboard;
    RECTL  rclTrack;
    RECTL  rclBoundary;
    POINTL ptlMinTrackSize;
    POINTL ptlMaxTrackSize;
    USHORT fs;
} TRACKINFO;
 
The TRACKINFO structure contains information about a tracking rectangle used
by the WinTrackRect function.
 
Field            Description
────────────────────────────────────────────────────────────────────────────
 
cxBorder         Specifies the border width.
 
cyBorder         Specifies the border height.
 
cxGrid           Specifies the horizontal bounds of the tracking movements.
 
cyGrid           Specifies the vertical bounds of the tracking movements.
 
cxKeyboard       Specifies the amount of horizontal movement that occurs
                 when the user presses the LEFT ARROW or RIGHT ARROW key.
 
cyKeyboard       Specifies the amount of vertical movement that occurs when
                 the user presses the UP ARROW or DOWN ARROW key.
 
rclTrack         Specifies the starting tracking rectangle. This is modified
                 as the rectangle is tracked and holds the new tracking
                 position when tracking is complete.
 
rclBoundary      Specifies an absolute boundary for the tracking rectangle.
 
ptlMinTrackSize  Specifies the minimum tracking size.
 
ptlMaxTrackSize  Specifies the maximum tracking size.
 
fs               Specifies tracking options. This field can be a combination
                 of the following values:
 
                 Option             Meaning
                 ───────────────────────────────────────────────────────────
                 TF_LEFT            Track the left side of the rectangle.
 
                 TF_TOP             Track the top side of the rectangle.
 
                 TF_RIGHT           Track the right side of the rectangle.
 
                 TF_BOTTOM          Track the bottom side of the rectangle.
 
                 TF_MOVE            Track all sides of the rectangle.
 
                 TF_SETPOINTERPOS   Repositions the pointer according to the
                                    other options specified.
 
                 TF_LEFT            Vertically centers the pointer at the
                                    left of the tracking rectangle.
 
                 TF_TOP             Horizontally centers the pointer at the
                                    top of the tracking rectangle.
 
                 TF_RIGHT           Vertically centers the pointer at the
                                    right of the tracking rectangle.
 
                 TF_BOTTOM          Horizontally centers the pointer at the
                                    bottom of the tracking rectangle.
 
                 TF_MOVE            Centers the pointer in the tracking
                                    rectangle.
 
                 TF_GRID            Restricts tracking to the grid defined
                                    by cxGrid and cyGrid.
 
                 TF_STANDARD        The width, height, grid width, and grid
                                    height are all multiples of border width
                                    and border height.
 
                 TF_ALLINBOUNDARY   Performs tracking so that no part of the
                                    tracking rectangle ever falls outside
                                    the bounding rectangle.
 
                 TF_PARTINBOUNDARY  Performs tracking so that values of
                                    cxLeft, cyBottom, cxRight, and cyTop
                                    specify how much of the corresponding
                                    edge of the tracking rectangle must be
                                    kept within the opposite edge of the
                                    boundary rectangle.
 
See Also
 
WinTrackRect
 
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